DTC Palladium Pd-TX-100 Manual de usuario
COFDM Transmitter
Model Pd-TX-100 100 mW Output
Model Pd-TX-250 250 mW Output
DTC COMMUNICATIONS, INCORPORATED
DTC COMMUNICATIONS, INC.
2
warranty
DTC warrants its manufactured components
against defects in material and workmanship
for a period of two (2) years, commencing on
the date of original purchase.
Products manufactured by others that are
approved for use with DTC equipment are
warranted for the manufacturer’s warranty
period, commencing from the date of shipment
from DTC.
FCC information
The following information is provided as a
service to our law enforcement customers who
require a Part 90 station license for video
surveillance operations using the 2450 to
2483.5 MHz band.
You will need to provide two documents:
• Form 600 (the application form)
• Form 159 (the filing fee form)
Forms can be obtained from the FCC on their
website at:
www.fcc.gov
You can also contact the FCC using their FAX
back service at: (888) 418-3676
Additional instructions are available by
telephone at: (888) 225-5322
The filing fee form is returned to:
Federal Communications Commission
1270 Fairfield Road
Gettysburg, PA 17325-7245
PN OP1920303 REV 2
copyright notice
Copyright © 2005
DTC Communications, Inc. All rights
reserved. No part of this document may be
reproduced, transmitted, transcribed, stored
in a retrieval system or translated into any
language or computer language, in any form
or by any means, including but not limited to
electronic, magnetic, mechanical, optical,
chemical, manual or otherwise, without the
prior written permission of DTC
Communications, Inc.
disclaimer
The information in the document is subject to
change without notice. DTC makes no
representations or warranties with respect to
the contents hereof, and specifically disclaims
any implied warranties of merchantability or
fitness for a particular purpose. DTC reserves
the right to revise this publication and to
make changes from time to time in the
content hereof without obligation of DTC to
notify any person of such revision or changes.
trademarks
Trademarks of DTC Communications, Inc.
include:
• DTC
• MiniPIX®
• DynaPIX®
Other product names used in this manual are
the properties of their respective owners.
how to contact DTC
For operator and troubleshooting information,
customers are encouraged to refer to the
details in this manual. For additional
clarification or instruction, or to order parts,
contact DTC.
Customer Service is available Monday through
Friday between the hours of 9:00 AM and
5:00 PM EST at:
Tel: 603-880-4411
Fax: 603-880-6965
Website: www.dtccom.com
Email: [email protected]
486 Amherst Street
Nashua, New Hampshire 03063
DTC COMMUNICATIONS, INC. 3
NOTE: Describes special issues you should
be aware of while using a particular function.
WARNING: Calls out situations in which
equipment could be damaged or a process
could be incorrectly implemented, but in
which operator safety is not a factor.
TIP: Describes application hints.
RF EXPOSURE STATEMENT
A separation distance of at least 20 cm must be
maintained between the antenna and the body of
the user or nearby persons.
NOTE: This device is for occupational use
only. Occupational users are those persons
who are exposed as a consequence of their
employment, provided these persons are fully
aware of and exercise control over their
exposure.
manual conventions
Quick Start ............................................................................ 4-5
Complete These Steps ................................................................ 4
Thermal Issues ........................................................................... 4
Introduction ............................................................................... 6
Operation ............................................................................... 7
Using your Palladium Transmitter ................................................ 7
Changing your Transmitter Configuration .................................... 7
Components ........................................................................... 8-9
Programming ...................................................................... 10-15
System PC Controller Application Software .............................. 10
Transmitter Control Application ................................................. 11
Specifications ..................................................................... 16-17
Warranty ............................................................................. 18
Contact Us ............................................................................. 19
TABLE OF CONTENTS
DTC COMMUNICATIONS, INC.
4
NOTE: Eight Channel LEDs are located under the sliding control
panel door. If all 8 green LEDs are flashing, this indicates that your
battery source is low.
Complete these steps:
1Connect the transmitter antenna to the SMA connector on the top of the
Palladium unit.
2If you plan to use audio, connect one or two microphones to the Audio 1
and/or Audio 2 LEMO connectors.
3Connect power and video input via the Multi I/O cable to the 6-pin
Hirose connector:
a Attach your camera video input (75 ohm composite video source in
PAL or NTSC) to the Multi I/O cable BNC connector.
b Apply the necessary power to your camera and turn ON.
c Attach a 12 VDC power source (such as the supplied battery pack or
the AC power adapter) to the Multi I/O cable via the Molex connector.
The input voltage range is from 10 to 18 VDC.
MICROPHONE(S)
CAMERA
ANTENNA
9 AA
BATTERY
PACK
12
3
Palladium Transmitter, Top View
QUICK START
Typical Wiring Configuration
Thermal Issues
Higher power Palladium Pd-TX-250 Transmitters feature
mounting tabs for convenient mounting and heat
dissipation. If your Palladium Transmitter has these tabs,
proper heat sink mounting is recommended for optimal
performance. An optional heat sink can be purchased
from DTC. See page 8 for heat sinking instructions.
DTC COMMUNICATIONS, INC. 5
4Slide the control panel door open (to the right).
5When power is applied, the transmitter will power-up to its last state.
Ensure that the green RF LED turns ON indicating the unit is
transmitting. If needed, push the RF button to begin transmitting.
The channel number LED also turns ON, representing the most recent
channel setting from the last time the transmitter was used.
6 If you need to change the operating channel, press the CONFIG button
to cycle through the 8 available channels indicated by the channel
number LEDs. Refer to the Programming section on page 10 for more
information on channel settings. When you change the channel
configuration, the RF transmission is automatically switched OFF to
prevent accidental interference. When you have selected the channel
you need, push the RF button to start transmitting again. The RF LED
will turn ON.
NOTE: A red ALARM LED indicates that no video is connected.
Your Transmitter is now operational. Confirm its signal with your
Palladium Receiver.
WARNING: Do not apply power to the transmitter unless an antenna
or non-radiating load is connected to the Antenna SMA connector.
NOTE: The RF switch should remain ON during normal use. The RF
automatically shuts off during programming to prevent accidental
transmissions on unintended frequencies.
4
5
6
QUICK START
Palladium Pd-TX-100 Transmitter,
Front View
Optional Data and
Chaining Connector
DTC COMMUNICATIONS, INC.
6
INTRODUCTION
The Palladium Series of digital video transmitters provide exceptional video
quality in high multipath environments. They are ideal for use inside
buildings, in urban areas, and in other applications where multipath
would normally cause video tearing or breakup.
All Palladium Series transmitters are designed for spectrum-efficient 2.5
MHz channel spacing. Approximately 400 carriers are used to transmit
video and two channels of voice and data. Palladium transmitters may be
located on adjacent channels without a guard band. AES 128-bit
encryption ensures users of secure communications.
The Palladium 100 is a small transmitter with a 100 mW RF power output.
This unit is ideal for concealments and shorter range robotic and UAV
applications. The package is only 7.5” x 2.5” x 0.75”. Power consumption is
6 Watts. All connections are conveniently located off the ends of the unit.
Many users will want to power this device with disposable batteries.
The Palladium 250 incorporates an internal power amplifier bringing total
power output to 250 mW. Height and width are identical to the Palladium
100, with the depth of the unit increasing an additional 0.5”. The
Palladium 250 is ideal for many surveillance applications and short to
mid-range robotic and UAV applications.
Both versions are built out of rugged milled aluminum housings. The
Palladium 250 features mounting tabs for convenient heatsinking (page 8).
Palladium Pd-TX-100
100-Milliwatt Digital Transmitter
NOTE: Use only Lithium batteries with this device.
DTC COMMUNICATIONS, INC. 7
OPERATION
Using your Palladium Transmitter
Follow the instructions given in the Quick Start section on pages 4-5.
When power is first applied to the Palladium, the unit reverts to the last
used channel and RF (ON/OFF) state. One of the green channel LEDs will
turn ON indicating the active channel. The Alarm LED may be ON, which
indicates that there is no active video input.
NOTE: Since the Palladium transmitter always returns to the last
configuration on power-up, the unit should always be deployed with
the RF switch ON. Therefore, once deployed, control of the unit must
be restricted to applying and removing power. See the Quick Start
(pages 4-5), and Heatsinking (page 8) for more installation guidance.
Changing your Transmitter Configuration
The Palladium Transmitter can store up to 8 different configurations,
which can be selected on the front panel. Each of these configurations can
be programmed into the Transmitter with the supplied DTC Programming
Software and a Windows PC. Refer to the Programming section on page 10
for more information.
To cycle through your preconfigured channels press the CONFIG button
once to advance to the next setting. By default, the Palladium will turn
OFF the transmitted signal while you are changing channels. This is to
prevent accidental interference. Push the RF button after channel selection
to resume RF transmission of your video image.
Palladium Pd-TX-250
250 Milliwatt Digital Transmitter
with Mounting Tabs
DTC COMMUNICATIONS, INC.
8
HEAT SINKING
When to Use a Heat Sink
The Palladium 100 does not require heat sinking in normal service. The
Palladium 250 should be attached to a heat sink or heat sinking surface if
the unit is to be installed in an enclosure, or in deployments where the
ambient temperature could exceed 50oC.
Typical Palladium Operating Temperatures
A wide range of variables can affect the temperature of electronic devices
including ambient temperature, air flow, heat sink and mounting consider-
ations. In a typical test performed at room temperature, the Palladium
250 without a heatsink has been observed to have a baseplate operating
temperature of 40oC (104oF). The Palladium 100 has been observed to
have a baseplate operating temperature of 37oC (99oF) in a similar test.
Heat Sink Installation
To install the heat sink, complete the following steps:
1. Align the transmitter and heatsink, with the back of the transmitter
mating with the front, flat surface of the heatsink.
2. Secure the heatsink with four (4) 6-32 x 1” screws. Install the screws
from the transmitter side.
3. Make sure there is good contact between the transmitter and the
heatsink. They should be mounted flush to one another.
Mounting
Screws (4)
BEST: Fins
Vertical Away
From Wall
BEST: Fins
Vertical Away
From Wall
GOOD: Fins
Vertical Away
From Wall
GOOD:
Fins Up
NEVER: Fins
Horizontal
NEVER: Fins
Down
DTC COMMUNICATIONS, INC. 9
COMPONENTS
Audio 1 and 2 Connectors (LEMO)
These connectors provide the
microphone connections to the
transmitter. Either one or two
microphones can be used with the
Palladium Transmitter.
Transmitter Antenna Connector
(SMA) This connector attaches to
the transmitter antenna and carries
the RF output signal. Always ensure
the transmitter antenna is attached
before operating the Palladium
Transmitter.
Muiti I/O Connector (6-pin Hirose)
This connector provides
connections for the DC power input,
programming, and 75 Ohm
composite video signal.
ALARM LED This red LED indicates a valid video signal
is not present.
RF LED This green LED indicates that the RF
output is ON.
RF Button This membrane switch toggles ON/OFF the
RF output. Normally this should be left ON.
CONFIG Button This membrane switch cycles through
the eight channels.
Channel LEDs These green LEDs, numbered 1 through
8, indicate the channel number currently selected.
Each channel represents a set of preconfigured
settings.
DTC COMMUNICATIONS, INC.
10
PROGRAMMING
System PC Controller Application Software
Advanced control of the system is available by using PC control applica-
tions. Typically users may want to customize the default configurations to
control settings such as frequency, scrambling keys, modulation
parameters, and video resolution.
The transmitter is controlled by the application DTC_tx_ctrl.exe avail-
able on the CD delivered with the product.
A PC is required with two RS232 Serial COM ports to control both a
transmitter and receiver simultaneously. Where changes are to be made to
either a transmitter, or a receiver, at different times, a PC with a single
RS232 Serial COM part can be used.
Installation of the two control programs is as simple as copying them from
the CD to a suitable location on the PC. No install shield routine is
launched. Note that the controllers generate their own log and
initialization files, so it is best to create a dedicated directory for these
applications, perhaps with links to the applications from the desktop of
the PC.
Getting Started
•Use the supplied cables to connect the chosen COM port(s) of the PC to
unit(s) to be configured.
•Launch each application in turn by double clicking or using the run
command.
•Connection with a transmitter should be automatic, but the user can
force selection of the correct COM port using the drop down, followed by
the Connect button.
•Errors may appear during the connection process if the PC is unable to
automatically ascertain which unit is connected to which COM port.
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